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Thread: auto cascade
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27-06-2007, 09:25 PM #1
auto cascade
I am trying to build a auto cascade freezer. Any help would be greatly appreciated. Trying to reach -60C
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28-06-2007, 08:04 AM #2
Re: auto cascade
Use propane on low cascade and CO2 on high one. I heard something about analog. Do you want to use it for CPU cooling?
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28-06-2007, 01:57 PM #3
Re: auto cascade
Vango, you're being a tad vague, with the amount of detail you gave me my best answer I can give is : Yup.
Thats it. More detail then we can go some where
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28-06-2007, 08:52 PM #4
Re: auto cascade
An autocascade is not the same as a cascade.
An autocascade uses the principle of a gas mix (2 or more, even 6) where each is separated frm the others and where each extracted gass then cools its own heat exchanger/gas separator to separate the next gas in then 'diluted mixture'Last edited by Peter_1; 30-12-2010 at 06:40 PM.
It's better to keep your mouth shut and give the impression that you're stupid than to open it and remove all doubt.
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29-06-2007, 08:36 AM #5
Re: auto cascade
Hi Vango,
As Peter said auto cascade is different.
Please have a look at the attached file which is a simple example of auto cascade system.
CheersEven Einstein Asked Questions
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29-06-2007, 01:03 PM #6
Re: auto cascade
Thank you Peter_1 and Lana. Your observation about autocascade was useful for me. I made a mistake, sorry ;(
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29-06-2007, 01:40 PM #7
Re: auto cascade
thank you for your reply. I found Iana,s sketch especially helpful.
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29-06-2007, 02:46 PM #8
Re: auto cascade
I just find some links about autocascade: http://gomeler.com/2006/07/06/autocascade-design/ , http://forums.extremeoverclocking.com/p2762737.html . This guys made their autocascade machines.
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30-12-2010, 01:22 PM #9
Re: auto cascade
Hi there, I am new to the forum and I have a question on the auto cascade. I am in the process of building a auto cascade system and I was trying to use R-507 and R-23. In your opinion can I make these work in a system piped accordind to your layout? Are you using a flat plate heat exchanger for phase change? What ratio of refrigerant have you found to work well. More R-23 than 134a?
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30-12-2010, 01:54 PM #10
Re: auto cascade
Hi cascader 23.
If you just need -60c, you can go the easy way.
Use ISCEON MO89 which is similar to the R13B1 wich is gone out of business for many Years ago.
That one make easy -60c on a standard system.
Not sold in the US or Canada due to flameable in some conditions.
Wish you all a Happy New YEAR
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30-12-2010, 05:56 PM #11
Re: auto cascade
ASHRAE Refrigeration Manual had a pretty good explanation and diagram of the auto cascade system.
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